Home / 15,315.07-22,973.39-4,221.52

Finding the Fourth Proportional to 15,315.07, 22,973.39 and 4,221.52

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Solution

The fourth proportional to 15,315.07, 22,973.39 and 4,221.52 is: 6,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.07 : 22,973.39 = 4,221.52 : x
  2. Step 2: Convert to fraction form
    15,315.07/22,973.39 = 4,221.52/x
  3. Step 3: Cross multiply
    15,315.07x = 22,973.39 × 4,221.52
  4. Step 4: Simplify right side
    15,315.07x = 96,982,625.35
  5. Step 5: Solve for x
    x = 96,982,625.35/15,315.07
  6. Step 6: Final answer
    x = 6,332.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.